*{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}



.clearfix:before,
.clearfix:after{
    content: "";
    display: block;
    clear: both;
}
.left{
    float: left;
}
.right{
    float: right;
}
/*浮动、清楚浮动*/




/*头部的样式 开始*/
header{
    padding-top: 17px;
    padding-bottom: 12px;
}
header .container{
    width: 1098px;
    margin: auto;
    padding: 0;
}
header .ni-1 a{
    color:#0088d9;
}
header .ni-2 a{
    color: #616a59;
}
header .ni-2 a:hover{
    color: #0088d9;
}
header a:hover{
    border-bottom: 1px solid #0088d9;
}
/*头部的样式 结束*/


/*main-1的样式 开始*/
.main-1 .container{
    width: 1081px;
    margin: auto;
    text-align: center;
}
.main-1 .container .jjfa{
    padding-left: 452px;
    padding-top: 33px;
}
.main-1 .container .solutions h4{
    color: #909388;
    padding-bottom: 42px;
    font-size: 15px;
}
/*.main-1 .tuwen .sj{*/
    /*padding: 0 15px;*/
/*}*/
/*main-1的样式 结束*/


/*list部分*/
.solution{
    padding-bottom:50px;
}
.solution .col-md-3 img{
    padding-bottom: 20px;
}

/*main-2的样式 开始*/
.main-2 .main2-top{
    background-color: #efeeec;
    text-align: center;
    padding: 43px 0 37px 0;
}
.main-2 .main2-top .khal{
    padding-left: 45%;
}
.main-2 .main2-top h4{
    font-size: 15px;
    color: #909388;
}
.main-2 .main2-middle{
    margin: auto;
    display: flex;
    flex-wrap: wrap;
}
.main-2 .main2-middle img{
    width: 395px;
}
.main-2 .main2-bottom{
    background-color: #128abe;
    color: #fff;
}
.main-2 .main2-bottom .btn{
    border: 1px solid #fff;
    color: #fff;
    margin: 35px 55px 29px 0;
}
.main-2 .main2-bottom .btn:hover{
    opacity: 0.5;
}
.main-2 .main2-bottom .left{
    padding: 28px 0 25px 55px;
}
/*main-2的样式 结束*/

/*main-3的样式 开始*/
.main3{
    padding: 34px 0 40px 0;
}
.main3 .container{
    width: 1088px;
    padding: 0;
}
.main3 .xwdt{
    padding-left: 42%;
}
.main3 h4{
    font-size: 15px;
    color: #909388;
    text-align:center;
    padding-bottom: 40px;
}
.main3 .wenzi{
    padding-left: 23px;
}
.main3 .wenzi p{
    width: 309px;
}
/*main-3的样式 结束*/

/*main-4的样式 开始*/
.main-4{
    background-color: #efeeec;
}
.main-4 .container{
    width: 1099px;
}
.main-4 .fwkh{
    padding-top: 42px;
    padding-bottom: 8px;
    padding-left: 43%;
}
.main-4 .serve h5{
    text-align: center;
    font-size: 15px;
    color: #909388;
}
.main-4 .tu{
    padding-bottom: 50px;
}
/*main-4的样式 结束*/


/*footer的样式 开始*/
.footer{
    background:url("../images/footer.png") no-repeat;
    background-size: cover;
    color: #fbf0ea;
}
.footer .container{
    padding: 0;
}
.footer .footer-left{
    padding: 45px 96px 43px 50px;
}
.footer ul li{
    list-style: none;
    position: relative;
}
.footer ul li i{
    background:url("../images/dianhua2.png") no-repeat;
    position: absolute;
    top: 8px;
    left: 0;
    height: 16px;
    width: 16px;
}
.footer ul li span{
    padding-left: 20px;
    font-size: 20px;
    font-weight: bold;
}
.footer h5{
    font-weight: bold;
}
.footer a{
    color: #fbf0ea;
}
.footer .a2{
    padding-left: 50px;
}
.footer .footer-right ul li{
    float: left;
}
.footer .footer-right{
    padding-top: 45px;
}
/*footer的样式 结束*/



/*响应式*/
@media (max-width: 600px) {
    header .container{
        width: 100%;
    }
    header .navbar-toggler{
        background-color: lightgray;
        float: right;
    }
    .main-1 .container{
        width: 100%;
    }
    .main-2 .main2-middle img{
        width: 100%;
    }
    .main3 .container{
        width: 100%;
    }
    .main3 .wenzi{
        padding: 0;
        width: 100%;
    }
    .main-4 .container{
        width: 100%;
    }
    .main-1 .container .jjfa{
        padding-left: 93px;
    }
    .main-1 .sj{
        display: -webkit-box;
        padding-left: 0;
    }
    .main-1 .tuwen .sj{
        width:100%;
        padding: 0 15px;
    }
    .main-1 .tuwen .sj3 img{
        margin-left: 0;
    }
    .main-1 .tuwen .sj2{
        padding-top: 20px;
    }
    .main-1 .sj .card-body {
        width: 55%;
        padding-left: 10px;
    }
    .main-2 .main2-top .khal{
        padding-left: 32%;
    }
    .main3 .knh-1,.main3 .knh-2{
        padding-bottom: 40px;
        display: flex;
    }
    .main3 .tu img{
        width: 100%;
    }
    .main3 .xwdt,.main-4 .fwkh{
        padding-left: 29%;
    }
    .main-4 .tu{
        display: flex;
        flex-wrap: wrap;
        width: 100%;
        justify-content: center;
    }
    .footer .footer-right{
        text-align: center;
        padding-left: 16px;
    }
    
}